Smart Thermostats

Manufacturer

Lennox Industries

Brand Name

Lennox

Model Number

E40

Qualifying Entity

ENERGY STAR®

Additional Model Info

Notes

Purchase By Date (Date Delisted)

Model Name

Lennox E40 Smart Thermostat

Kit Model Number 1

Extended Properties

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Pd Id

4570192

Energy Star Partner

Lennox Industries

Brand Name

Lennox

Model Name

Lennox E40 Smart Thermostat

Model Number

Lennox E40 Smart Thermostat

Additional Model Information

Upc

810105201239

Ct Device Brand Owner

Lennox Industries Inc.

Ct Device Brand Name

Lennox

Ct Device Model Name

Lennox E40 Smart Thermostat

Ct Device Model Number

E40

Additional Ct Device Model Numbers

Family Id

Static Temperature Accuracy

1.03

Network Standby Average Power Consumption

0.57

Time to Enter Network Standby After User Interaction

30.0

Ct Product Heating and Cooling Control Features

External Temperature Detection,Time of Day Usage,Additional Home Temperature Sensor,Geofencing (User Device Based)

Other Heating and Cooling Control Features

Ct Device Communication Method

Bluetooth,Wi-Fi

Communication Method Other

Demand Response Summary

The thermostat supports a wide range of utility driven Demand Response (DR) programs across United States and Canada. It is OpenADR2.0 compliant enabling automatic participation in grid load management events. During peak demand periods, the thermostat can adjust heating or cooling setpoints using strategies such as pre cooling, pre heating, and moderated setpoint shifts to reduce energy consumption while maintaining occupant comfort.

Demand Response Product Variations

Date Available on Market

3/30/2026

Date Qualified

2/19/2026

Markets

United States, Canada

Energy Star Model Identifier

ES_1082495_Lennox E40 Smart Thermostat_02192026090849_35821

{
  "pd_id": "4570192",
  "energy_star_partner": "Lennox Industries",
  "brand_name": "Lennox",
  "model_name": "Lennox E40 Smart Thermostat",
  "model_number": "Lennox E40 Smart Thermostat",
  "additional_model_information": "",
  "upc": "810105201239",
  "ct_device_brand_owner": "Lennox Industries Inc.",
  "ct_device_brand_name": "Lennox",
  "ct_device_model_name": "Lennox E40 Smart Thermostat",
  "ct_device_model_number": "E40",
  "additional_ct_device_model_numbers": "",
  "family_id": "",
  "static_temperature_accuracy": "1.03",
  "network_standby_average_power_consumption": "0.57",
  "time_to_enter_network_standby_after_user_interaction": "30.0",
  "ct_product_heating_and_cooling_control_features": "External Temperature Detection,Time of Day Usage,Additional Home Temperature Sensor,Geofencing (User Device Based)",
  "other_heating_and_cooling_control_features": "",
  "ct_device_communication_method": "Bluetooth,Wi-Fi",
  "communication_method_other": "",
  "demand_response_summary": "The thermostat supports a wide range of utility driven Demand Response (DR) programs across United States and Canada.\nIt is OpenADR2.0 compliant enabling automatic participation in grid load management events. During peak demand periods, the thermostat can adjust heating or cooling setpoints using strategies such as pre cooling,\npre heating, and moderated setpoint shifts to reduce energy consumption while maintaining occupant comfort.",
  "demand_response_product_variations": "",
  "date_available_on_market": "2026-03-30T00:00:00.000",
  "date_qualified": "2026-02-19T00:00:00.000",
  "markets": "United States, Canada",
  "energy_star_model_identifier": "ES_1082495_Lennox E40 Smart Thermostat_02192026090849_35821"
}